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5 Commits

Author SHA1 Message Date
Eli Friedman 501f541b45 Really un-XFAIL the testcase, like I said I would in r139458. 
llvm-svn: 139459
 2011-09-10 02:02:27 +00:00
Richard Trieu d9917bef6c Fixed an assert from: 
assert("not implemented for target shuffle node");

to:

  assert(0 && "not implemented for target shuffle node");

This causes a test failure in CodeGen/X86/palignr.ll which has
been marked as XFAIL for the time being.
Test failure filed at PR10901.

llvm-svn: 139454
 2011-09-10 01:26:21 +00:00
Eli Friedman 442d1b199f Attempt to fix test failure reported on llvm-commits. 
llvm-svn: 135995
 2011-07-25 22:28:51 +00:00
Eli Friedman ea8c66fea5 Get rid of an incorrect optimization for shuffles with PALIGNR and simplify isPALIGNRMask. 
Addresses PR10466, although the crash from that PR only triggers in cases where DAGCombine misses optimizing a shuffle.

llvm-svn: 135980
 2011-07-25 21:36:45 +00:00
Nate Begeman 18df82a20c Add support for matching shuffle patterns with palignr. 
llvm-svn: 84459
 2009-10-19 02:17:23 +00:00